It seems like they wanted to do a whole lot more than seemed necessary, but then again I'm no expert. I'm amazed how difficult the auto industry has made this. I haven't seen anything about an update to correct an issue with the phaser or valve timing but as mentioned, why would it work fine until now? But it runs mostly fine, a little rough on idle and not very good gas milage. Chevy Trailblazer P0420 Code Possible Solutions Often, the oxygen sensor is the cause of P0420. They actuator or solenoid physically advances and retards the timing as required. When a vehicle has a camshaft position actuator problem, it shows a few additional symptoms not associated with the camshaft position sensor problem. Since having it one year, I changed it shortly after taking possession, and 2 days ago.
If you want to save money, this is what you need to do, otherwise you will be out a few hundred at the shop to find out the same info. Mine only had a bad tensioner making the chain flop onto the chain guide above the two cam gears while idling. The code definition of the P0340 states that it sets when the camshaft position sensor, bank one, shows a circuit malfunction. They appear to be a fairly major one, servicing most of the area I live in. Technician will use the radio to get the scrambled code. Perhaps the tensioner is malfunctioning? We can also check the signal wire and the ground integrity at the connector. They are both owned by the same people.
Took it to Henderson Chevrolet on Gibson. The chevy dealer in town. . We inherited the vehicle from the in-laws, and I'm not sure how well they kept the oil chance schedule. That's a super big job, I did it and would rather cut my thumb off than doing that again. I would image with a tech 2 scanner you could command the phaser and see what happens. Technician may find Diagnostic Trouble Code P0442.
Hi My check engine light has been on for several years. Here are the typical symptoms that something is wrong when you have code P0420. I'm not nice to cars. Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out of the converter. Get Chilton's automotive repair book and go to the section that shows your Chevy. There's a bunch of different reasons this has shown up over even the time I've been here, perhaps having a look around at other P1345-related threads and seeing what they did to fix it would help point you in the right direction before just throwing parts at it I mean that's doable, but we like to try saving people money when we can. Not only are the codes different when you have a problem with the Trailblazer camshaft position sensor, but the symptoms also become different.
It's legalized mafia if you ask me. Computer problem 2002 Chevy Trailblazer 6 cyl Four Wheel Drive Automatic i went through a large water puddle and then the engine light came on. The Chevrolet Trailblazer camshaft position sensor problem is becoming a common failure. Would this be an adequate test? I'd like to see for myself the cam phase actuator failing to move into the command position. It seems to work fine when I command it with the Tech 2 so I had the code disabled via a tune. Si están alineados entonces debes utilizar el scanner para recalibrar el retardo de ejes de levas es el procedimiento normal luego del ajuste del motor.
No P0014 but the beloved P1345 came up. Maybe it got gunked up after the oil change. In addition, these vehicles also exhibit a rough engine idle. The pulse from the 10 degree slot is known as the sync pulse. In any event, unfortunately I don't have huge amount of time to resolve the problem, as registration is coming due. Replacing the camshaft position sensor on a trailblazer is an easy operation.
If the signal flat lines for long enough, the engine stalls out. Chevy Trailblazer P0420 Code Symptoms The P0420 code in a Chevy Trailblazer will often be thrown one of your oxygen sensors are not functioning properly. Maybe your rebuilt engine falls under this condition. It's probably fair to say the vehicle has been abused somewhat on the oil front. While in the United States they are unable to receive Turn-by-Turn directions. You should be able to hear an exhaust leak easily underneath of the vehicle. Although, modern catalytic converters are supposed to last the life of most vehicles, it could be there is some underlying problem if it has clogged.
It will also indicate a short of some kind in the wiring so it is best to check… Easy answer? Too many times I replaced either the camshaft sensor and or the solenoid and the other part soon failed after the fact. Every other possible cause phaser actuator, timing chain, crank shaft, other? Yeah I wish I had a Tech2 as well. This happened 6 months after I took it back to the dealer same thing. To follow up and in the interests of closure, here's what happened: I went ahead and had the dealership do the work they recommended. Technician will gain access to the roller rockers to inspect them. First of all the specifications say that the solenoid coil should have a resistance of between 8 to 10 ohms.